<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.keyword" placeholder="关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="search()">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="users" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="userId" label="用户id" width="120" >
      </el-table-column>
      <el-table-column prop="username" label="用户姓名" width="100" >
      </el-table-column>
<!--      <el-table-column prop="alias" label="用户别名" width="100" >-->
<!--      </el-table-column>-->
      <el-table-column prop="createTime" label="创建时间" width="100" >
      </el-table-column>
      <el-table-column prop="state" label="状态" width="100" sortable>
        <template scope="scope">
          <!--scope可以获取一行数据-->
          <span style="color: red" v-if="scope.row.state === '0'">禁用</span>
          <span style="color: #11b95c" v-else-if="scope.row.state === '1'">启用</span>
          <span style="color: #8c939d" v-else>未知 </span>
        </template>
      </el-table-column>
      <el-table-column prop="deptId" label="部门id" width="100" >
      </el-table-column>
      <el-table-column prop="createPeople" label="创建人" width="100" >
      </el-table-column>
      <!--      <el-table-column prop="manager.username" label="负责人" width="120" >-->
      <!--      </el-table-column>-->
      <!--      <el-table-column prop="parent.name" label="上级部门" min-width="180" >-->
      <!--      </el-table-column>-->
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)" v-model="scope.state">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条
     :disabled ： 是否展示 没有选中(数组长度为0)的时候 不能点击
                  选中了(数组长度不为0)的时候 可以点击
    -->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange"
                     :current-page="currentPage" :page-size="pageSize" :total="total"
                     style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑界面-->
    <!--
    v-model：在elementUi2.x版本是双向绑定
              elementUi是1.x版本 是控制弹窗是否展示
    :rules="editFormRules" 输入框校验
    ref="editForm" ： 哪个表单引用
    prop="name" ： 输入框使用这个
    -->
    <el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" ref="editForm">
        <el-form-item label="用户id" prop="user_id">
          <el-input v-model="editForm.userId" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="用户姓名" prop="username">
          <el-input v-model="editForm.username" auto-complete="off"></el-input>
        </el-form-item>
<!--        <el-form-item label="用户别名" prop="sn">-->
<!--          <el-input v-model="editForm.alias" auto-complete="off"></el-input>-->
<!--        </el-form-item>-->
        <el-form-item label="状态" prop="state">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="0">禁用</el-radio>
            <el-radio class="radio" :label="1">启用</el-radio>
<!--            <el-radio class="radio" :label="1">禁用</el-radio>-->
<!--            <el-radio class="radio" :label="0">启用</el-radio>-->
          </el-radio-group>
        </el-form-item>
        <el-form-item label="部门id" prop="dept_id">
          <el-input v-model="editForm.deptId" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="创建人" prop="createPeople">
          <el-input v-model="editForm.createPeople" auto-complete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>

  </section>
</template>

<script>
import util from '../../common/js/util'
//import NProgress from 'nprogress'
import {
  getUserListPage,
  removeUser,
  batchRemoveUser,
  editUser,
  addUser
} from '../../api/api';

export default {
  data() {
    return {
      options: [],
      // users: [],
      title:'',
      filters: {
        keyword: ''
      },
      users: [],
      totals: 0,
      pageSize:5,
      currentPage:1,
      listLoading: false,
      sels: [],//列表选中列

      editFormVisible: false,//编辑界面是否显示
      editLoading: false,
      //编辑界面数据
      editForm: {
        id: null,
        userId: null,
        username: '',
        // alias: '',
        state: null,
        deptId: null,
        createPeople: ''
      },
    }
  },
  methods: {
    // getDeptTree(){
    //   this.$http.get("/user/tree")
    //       .then(result=>{
    //         this.options = result.data;
    //       })
    // },
    getEmps(){
      // 去查询 所有员工数据，用来作为部门经理
      this.$http.get("/user")
          .then(result=>{
            this.users = result.data;
          })
    },
    search(){
      this.currentPage = 1;
      this.getUsers();
    },
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getUsers();
    },
    //获取用户列表
    getUsers() {
      // para 对象
      let para = {
        pageSize: this.pageSize,
        currentPage:this.currentPage,
        keyword: this.filters.keyword
      };
      // 开启列表忙等
      this.listLoading = true;
      // 我们要发送Axios请求
      this.$http.post("/user", para)
          .then(result => {
            // 进到这里面来 肯定是请求成功的
            this.listLoading = false;
            this.users = result.data.rows;
            this.total = result.data.totals;
          })
          .catch(result => {
            // 报错了的 请求失败
            this.$message({
              message: '网络异常，请稍后重试！',
              type: 'error'
            });
          })
    },
    //删除   row：代表当前行的数据
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        // 1.后端没有将错误返回到前端 2.请求成功 http请求状态码 200
        this.listLoading = true;
        // 就是我们数据库的id
        this.$http.delete("/user/"+row.id)
            .then(result=>{
              // 一定是删除成功
              this.listLoading = false;
              this.$message({
                message: result.data.msg,
                type: result.data.success?'success':'error'
              });
              // 刷新一下列表 是否跳转到第一页 你们自己玩
              this.currentPage = 1;
              this.getUsers();
            })
            .catch(result=>{
              // http请求不成功或者后端抛异常到前端了
              // 什么时候走catch 1. http请求不同 2.后端将异常抛给前端了
              this.$message({
                message: "网络异常，请稍后重试!",
                type: 'error'
              });
            })
      }).catch(() => {
        // 取消走这里

      });
    },
    //显示编辑界面
    handleEdit: function (index, row) {
      this.editFormVisible = true;
      this.title = "编辑"
      this.editForm = Object.assign({}, row);
    },
    //显示新增界面
    handleAdd: function () {
      this.editFormVisible = true;
      this.title = "新增"
      // 是将表单 置空
      this.editForm = {
        id: null,
        userId: null,
        username: '',
        // alias: '',
        state: 0,
        deptId: null,
        createPeople: ''
      };
    },
    //编辑
    editSubmit: function () {
      this.$refs.editForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.editLoading = true;
            let para = Object.assign({}, this.editForm);
            // 这块 在新增的时候 para.parentId 是数组传过来的 但是其实我们只要数组的最后一个
            if (para.parentId && para.parentId instanceof Array){
              // 如果存在parentId
              para.parentId = para.parentId[para.parentId.length - 1];
            }

            // 发送请求 新增/修改
            this.$http.put("/user",para)
                .then(result=>{
                  this.editLoading = false;
                  this.editFormVisible = false;
                  this.$message({
                    message: result.data.msg,
                    type: 'success'
                  });
                  this.currentPage = 1
                  this.getUsers();
                })
                .catch(result=>{
                  this.$message({
                    message: "网络异常，请稍后重试 ！",
                    type: 'error'
                  });
                })
          });
        }
      });
    },

    /*
    * 监听是否有选择 函数的参数 选中一整行数据的数组
    * */
    selsChange: function (sels) {
      this.sels = sels;
    },
    //批量删除
    batchRemove: function () {
      // 类似于stream流 将数组中的id 封装成数组
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        // 发送请求
        this.$http.patch("/user",ids)
            .then(result=>{
              this.listLoading = false;
              this.$message({
                message: result.data.msg,
                type: 'success'
              });
              // 刷新一下列表 是否跳转到第一页 你们自己玩
              this.currentPage = 1;
              this.getUsers();
            })
            .catch(result=>{
              this.$message({
                message: "网络异常，请稍后重试！",
                type: 'error'
              });
            })
      }).catch(() => {

      });
    }
  },
  mounted() {
    // this.getEmps();
    this.getUsers();
    // this.getDeptTree();
  }
}

</script>

<style scoped>

</style>